/*
 * Copyright (c) 2019 Villu Ruusmann
 *
 * This file is part of JPMML-Evaluator
 *
 * JPMML-Evaluator is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JPMML-Evaluator is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with JPMML-Evaluator.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.jpmml.evaluator;

import java.util.Map;

import org.dmg.pmml.DataType;

public interface MapHolder<V> {

	DataType getDataType();

	Map<?, V> getMap();

	default
	public V get(DataType dataType, Object key){
		Map<?, V> map = getMap();

		if(!(getDataType()).equals(dataType)){
			throw new TypeCheckException(getDataType(), key);
		}

		return map.get(key);
	}
}